DURAMAG Stainless Steel 30-Round AR-15 Magazine, 5.56 NATO/.223/300 BLK with Black FollowerOverviewEngineered for unmatched durability and reliability, the DURAMAG SS is the go-to magazine for serious shooters. Whether you're running 5.56 NATO, .223 Remington, or 300 Blackout, this magazine is built to deliver consistent performance under the toughest conditions.Key FeaturesPremium Construction: Made from 410 stainless steel for maximum strength and resistance to wear and deformation.Enhanced Feeding: Advanced interior and exterior geometries ensure smooth, reliable feeding of all rounds, including long-load or heavy sub-sonic 300 BLK ammunition.Durable Coating: The T-360 coating provides a slick, low-friction surface for easier loading, smooth operation, and corrosion resistance even in harsh environments.Superior Stability: Unlike polymer magazines, DURAMAG SS will not flex or swell, making them ideal for extended storage while fully loaded.SpecificationsCapacity: 30 roundsCompatibility: AR-15 platform rifles chambered in 5.56 NATO, .223 Remington, and 300 BlackoutMaterial: 410 stainless steel with T-360 coatingColor: Black with Black FollowerUPC: 766897410000MPN: 3023041175CPDWhy Choose DURAMAG?Trusted by professionals and enthusiasts alike, DURAMAG SS magazines provide unparalleled performance for shooters who demand reliability and toughness in every scenario.